/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.datatables;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.Map;
import java.util.logging.Logger;

import javolution.util.FastMap;
import net.sf.l2j.database.L2DatabaseFactory;
import net.sf.l2j.gameserver.model.L2Skill;

public class SkillSpellbookTable {
	private static Logger _log = Logger.getLogger(SkillTreeTable.class
			.getName());
	private static SkillSpellbookTable _instance;
	private static Map<Integer, Integer> _skillSpellbooks;

	public static SkillSpellbookTable getInstance() {
		if (_instance == null)
			_instance = new SkillSpellbookTable();
		return _instance;
	}

	private SkillSpellbookTable() {
		_skillSpellbooks = new FastMap<Integer, Integer>();
		java.sql.Connection con = null;
		try {
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement = con
					.prepareStatement("SELECT skill_id, item_id FROM skill_spellbooks");
			ResultSet spbooks = statement.executeQuery();
			while (spbooks.next())
				_skillSpellbooks.put(spbooks.getInt("skill_id"),
						spbooks.getInt("item_id"));
			spbooks.close();
			statement.close();
			_log.config("SkillSpellbookTable: Loaded "
					+ _skillSpellbooks.size() + " Spellbooks.");
		} catch (Exception e) {
			_log.warning("Error while loading spellbook data: " + e);
		} finally {
			try {
				con.close();
			} catch (Exception e) {
			}
		}
	}

	public int getBookForSkill(int skillId, int level) {
		if (skillId == L2Skill.SKILL_DIVINE_INSPIRATION && level != -1)
			switch (level) {
			case 1:
				return 8618; // Ancient Book - Divine Inspiration (Modern
				// Language Version)
			case 2:
				return 8619; // Ancient Book - Divine Inspiration (Original
				// Language Version)
			case 3:
				return 8620; // Ancient Book - Divine Inspiration
				// (Manuscript)
			case 4:
				return 8621; // Ancient Book - Divine Inspiration (Original
				// Version)
			default:
				return -1;
			}
		if (!_skillSpellbooks.containsKey(skillId))
			return -1;
		return _skillSpellbooks.get(skillId);
	}

	public int getBookForSkill(L2Skill skill) {
		return getBookForSkill(skill.getId(), -1);
	}

	public int getBookForSkill(L2Skill skill, int level) {
		return getBookForSkill(skill.getId(), level);
	}
}